Show the references of the human resource function with 4 references.

1. Cascio, W. F. (2018). Managing human resources: Productivity, quality of work life, profits. McGraw-Hill Education.

2. Mathis, R. L., & Jackson, J. H. (2018). Human resource management. Cengage Learning.

3. Lepak, D. P., & Gowan, M. (2010). Human resource management: Managing employees for competitive advantage. Pearson Education.

4. Noe, R. A., Hollenbeck, J. R., Gerhart, B., & Wright, P. M. (2016). Human resource management: Gaining a competitive advantage. McGraw-Hill Education.

References for Human Resource Function

1. Society for Human Resource Management (SHRM)
- [SHRM: Human Resources Function](https://www.shrm.org/resourcesandtools/hr-topics/organizational-effectiveness/pages/human-resources-function.aspx)

2. Human Resource Management Association of New Zealand (HRANZ)
- [HRANZ: The Human Resource Function](https://www.hranza.org.nz/news-resources/resource-hub/the-hr-function/)

3. Chartered Institute of Personnel and Development (CIPD)
- [CIPD: The HR Function](https://www.cipd.co.uk/knowledge/organisational-culture-development/people-and-organisational-development/hr-function)

4. Harvard Business Review
- [HBR: The New HR Functions](https://hbr.org/2015/09/the-new-hr-function)